Maxime Leroy e0d449513b net/mlx5: fix RSS RETA reset on start
The following sequences was working fine on mlx5:
   rte_eth_dev_configure(portid, ...);

   for (queueid = 0; queueid < nb_txq; queueid++)
      rte_eth_tx_queue_setup(portid, queueid, ...);

   for (queueid = 0; queueid < nb_rxq; queueid++)
      rte_eth_rx_queue_setup(portid, queueid, ...);

  // use a custom reta configuration
  rte_eth_dev_rss_reta_update(portid, reta_conf, reta_size);
  rte_eth_dev_start(portid);

We were able to configure a custom reta before starting the port.

The commit "net/mlx5: support RSS on hairpin" breaks this logic by
moving the code initializing the RSS reta from rte_eth_dev_configure
into rte_eth_dev_start.

To fix the issue, the skip_default_rss_reta is always set to 1 in
rte_eth_dev_rss_reta to avoid reconfigure the rss reta when the device
is started.

Fixes: 63bd16292c3a ("net/mlx5: support RSS on hairpin")
Cc: stable@dpdk.org

Signed-off-by: Maxime Leroy <maxime.leroy@6wind.com>
Acked-by: Ori Kam <orika@nvidia.com>
2020-09-18 18:55:11 +02:00
2020-04-17 23:34:08 +02:00
2020-09-18 18:55:11 +02:00
2020-02-22 21:05:22 +01:00
2016-11-13 15:25:12 +01:00
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2020-09-07 23:51:57 +02:00
2018-01-04 22:41:38 +01:00
2020-08-12 11:32:16 +02:00

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org
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